From: 1cmpecho (1cmpecho@hotpop.com)
Date: Mon Dec 29 2003 - 11:37:40 GMT-3
technically no...
you can instruct the voice vlan to use dot1p - and the native vlan x to use
untagged and phone will still stripe the control (non skinny) and rtp
traffic....disclaimer - to change the native vlan from something other than
1 :)
interface FastEthernet0/2
switchport voice vlan dot1p
no ip address
spanning-tree portfast
Switch#sho int fa0/2 swi
Name: Fa0/2
Switchport: Enabled
Administrative Mode: dynamic desirable
Operational Mode: static access
Administrative Trunking Encapsulation: negotiate
Operational Trunking Encapsulation: native
Negotiation of Trunking: On
Access Mode VLAN: 1 (default)
Trunking Native Mode VLAN: 1 (default)
Administrative private-vlan host-association: none
Administrative private-vlan mapping: none
Operational private-vlan: none
Trunking VLANs Enabled: ALL
Pruning VLANs Enabled: 2-1001
Protected: false
Unknown unicast blocked: disabled
Unknown multicast blocked: disabled
Voice VLAN: dot1p (Inactive)
Appliance trust: none
Switch(config-if)#do sho int fa0/2 tru
Port Mode Encapsulation Status Native vlan
Fa0/2 desirable negotiate not-trunking 1
Port Vlans allowed on trunk
Fa0/2 1
Port Vlans allowed and active in management domain
Fa0/2 1
Port Vlans in spanning tree forwarding state and not pruned
Fa0/2 1
At 04:35 PM 12/28/2003 -0600, Kaiser Anwar wrote:
>switchport trunk encapsulation dot1q
>
>is it always mandatory to have this command for voice vlan configuration.
>Thanks
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>Sincerely,
>Kaiser Anwar
>
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